Browsing Exact and Earth Sciences by Subject "Rochas ultramáficas : Rio Grande do Sul"
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Diagnose de microbiólitos metálicos em espécies vegetais endêmicas em solos de rochas ultramáficas por microscopia eletrônica de varredura
(2004) [Journal article]The aim of this paper is to investigate by SEM the presence of crystalline forms of noble metals in dehydrated tissues of Scutia buxifolia (Rhamnaceae), Scoparia montevidensis (Scrophulariaceae) and Adiantopsis cf. ... -
Identificação de rochas ultramáficas por imagens digitais TM - Landsat 5 no escudo sul-rio-grandense, RS
(2008) [Journal article]Principal Components of Landsat TM images were used aiming to identify occurrences of ultramafic rocks in Rio Grande do Sul State, Brazil. Principal Component involving the pairs of bands TM1-TM5, TM4-TM2 and TM5-TM7 showed ...